Crandon Park Visitors & Biscayne Nature Center. 10 a.m.-4 p.m. Meet at Crandon Park Visitors and Biscayne Nature Center, 6767 Crandon Blvd., Key Biscayne. Daily. Details: (305) 361-6767, Ext. 112.
Crandon Bear Cut Preserve Nature Walks. 9 a.m.-noon. Saturdays and Sundays. Meet at Crandon Park Visitors and Biscayne Nature Center, 6767 Crandon Blvd., Key Biscayne. RSVP required. $3. Details: (305) 361-6767, Ext. 112.
TRAIL & CANOE TOURS
Arch Creek trail tours and Oleta River canoe trips. 10-11 a.m. for the trail tours. 10 a.m.-1 p.m. for the canoe trips. Meet at 1855 NE 135th St., North Miami. RSVP required. $3 trail tour; $25 adult, $15 child canoe trip. Details: (305) 944-6111.
DOWNTOWN MIAMI TOUR
Locals and visitors to Miami now have an opportunity to learn about the history as well as the revival of Downtown Miami through an interactive walking tour. Included are complimentary samplings at area restaurants. 10 a.m.-Noon. Every Wednesday & Saturday. Meet at Gusman Center for Performing Arts, 174 E Flagler St. RSVP required. $10 children; $20 adults. Details: (305) 416-6868.
Greynolds Park Guided Nature Walks. Saturdays and Sundays. 9-10 a.m. and 3-4 p.m. Meet at Greynolds Park Boathouse, 17530 W Dixie Highway, North Miami Beach. RSVP required. Details: (305) 948-2891.
Biscayne Bay Aquatic Preserve Manager Marsha Colbert will discuss the plant and animal life that inhabits the bay. 7 p.m. Deering Estate at Cutler, 16701 SW 72nd Ave., Palmetto Bay. Details: (305) 235-1668 ext. 233 or www.deeringestate.org.
Canoe historic Coral Gables waterways as a naturalist guide takes you back in time to the days of George Merrick and construction of the Biltmore Hotel. Meet at 9:30 a.m. Full-day trip returns at 3 p.m., half-day trip returns at 1 p.m. A.D. Barnes Park, 3401 SW 72nd Ave., Coral Gables. For a full day, adults $30, children 7-14 $15. For a half day, adults $25, children $15. Reservations required. Details: (305) 666-5883 or www.miamidade.gov/parks/fun-activity-eco'canoe.asp.
The University of Miami's Equestrian Team will host a competition, clinic and fundraiser. Last year, the event raised $21,000 and featured students and horses showcasing their flatwork and jumping skills. 11 a.m.-4 p.m. Sept. 28. Tally Ho Farm, 11850 SW 64th St., Sunset. Details: (305) 284-5130 or email@example.com.
Allyson Grant, outreach officer for Everglades National Park, will discuss benefits of conservation and research at the Deering Estate at Cutler Bay. 7-8 p.m. 16701 SW 72nd Ave., Palmetto Bay. Details: (305) 235-1668 or www.deeringestate.org.
SEA TURTLE RELEASE
Help save sea turtles by listening to a conservation lecture and participating in a turtle release during the height of hatchling season. 8:30-10 p.m. 6767 Crandon Blvd.,Key Biscayne. $5 per person. RSVP required. Details: (305) 361-6767 or www.miamidade.gov/parks/Parks/biscayne'nature.asp.